Main issues with the ocean around Canada?

Question

Main issues with the ocean around Canada?

Answer 1

All the water.

Answer 2

All indicators point to the reality that the health and quality of the marine environment of Canada's ocean waters are at risk or declining.  These indicators include:

major declines in some fish stocks and greater stock fluctuations

fundamental changes in the structure of marine ecosystems, especially in the upper layers of the food web

shifts in major oceanographic drivers due to

climate change

persistent introduction of pollutants and

invasive species

increasing numbers of marine species-at-risk

measurable habitat alteration and degradation

contamination of traditionally harvested

resources

declining biodiversity and productivity